Collapsible tube winder



FIG. 1 is a rear perspective view of a collapsible tube winder showing my new design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a top perspective view thereof;

FIG. 4 is a bottom perspective view thereof;

FIG. 5 is a side elevation view thereof;

FIG. 6 is a side elevation view thereof turned 90° about its axis from the showing of FIG. 5. 

The ornamental design for a collapsible tube winder, as shown and described. 